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HandWiki. Measure of Presortedness. Encyclopedia. Available online: https://encyclopedia.pub/entry/33292 (accessed on 04 October 2026).
HandWiki. Measure of Presortedness. Encyclopedia. Available at: https://encyclopedia.pub/entry/33292. Accessed October 04, 2026.
HandWiki. "Measure of Presortedness" Encyclopedia, https://encyclopedia.pub/entry/33292 (accessed October 04, 2026).
HandWiki. (2022, November 07). Measure of Presortedness. In Encyclopedia. https://encyclopedia.pub/entry/33292
HandWiki. "Measure of Presortedness." Encyclopedia. Web. 07 November, 2022.
Measure of Presortedness
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The content is sourced from: https://handwiki.org/wiki/Measure_of_presortedness

In computer science, a measure of presortedness of a sequence represents how much work is required to sort the sequence. If the sequence is pre-sorted, sorting the sequence entirely require little work, hence it is expected to have a small measure of presortedness. In particular, the measure of a sorted sequence is 0. Some sorting algorithms are more efficient on pre-sorted list, as they can use this pre-work into account to avoid duplicate work. The measure of presortedness allows to formalize the notion that an algorithm is optimal for a certain measure.

sorting algorithms presortedness sorting

References

  1. Estivill-Castro, Vladimir; Wood, Derick (October 1989). "A new measure of presortdness". Information andComputation 83 (1): 111–119. doi:10.1016/0890-5401(89)90050-3.  https://dx.doi.org/10.1016%2F0890-5401%2889%2990050-3
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